Abraham lincoln delivered the gettysburg address at what event?

The answer is: at the dedication of the Soldiers´ National Cemetery in Gettysburg, Pennsylvania on the afternoon of Thursday, November 19, 1863.

This speech was given by the president of the United States, Abraham Lincoln, during the American Civil War commemorating the soldiers and the victory of the Union against the Confederacy at the battle of Gettysburg, four and a half months before.

It is considered one of the most influential and impressive speeches ever crafted in politics and a defining moment in the making of the American identity as a nation.